School Start Times in U.S. States: Full List

Most U.S. middle and high schools start too early — with an average start time of around 8:00 a.m., according to a new study. Some children's health organizations recommend that schools start no earlier than 8:30 a.m., to help teens get the sleep they need.

The study also found that school starts times varied greatly by state, with schools in Louisiana starting at 7:40 a.m., on average, and schools in Alaska starting at 8:33 a.m., on average.

The average start time for middle and high schools in each state is listed below. (In one state, Maryland, there was not enough information to determine the average start time.)